Home / 198,916.77-274,540.73-127,294.35

Finding the Fourth Proportional to 198,916.77, 274,540.73 and 127,294.35

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Solution

The fourth proportional to 198,916.77, 274,540.73 and 127,294.35 is: 175,688.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,916.77 : 274,540.73 = 127,294.35 : x
  2. Step 2: Convert to fraction form
    198,916.77/274,540.73 = 127,294.35/x
  3. Step 3: Cross multiply
    198,916.77x = 274,540.73 × 127,294.35
  4. Step 4: Simplify right side
    198,916.77x = 34,947,483,773.88
  5. Step 5: Solve for x
    x = 34,947,483,773.88/198,916.77
  6. Step 6: Final answer
    x = 175,688.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.